Nauz Hassanshahi, OD
Optometrist · Rialto, CA
Nauz Hassanshahi, OD is an optometrist with a practice address in Rialto, California, and NPI 1497266357, issued on Oct 18, 2017. Check the license (California OPT33841-TLG, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nauz Hassanshahi
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT33841-TLG CA
Self-reported in NPPES; status is on the state search - Practice location
- 1850 N Riverside Ave, Rialto, CA 92376
- Phone
- (909) 875-1144
- Enumerated
- Oct 18, 2017
- Record last updated
- Jun 6, 2024
- Medicare enrollment
- Enrolled (PECOS I20190824000305); accepts Medicare assignment
- Medical or professional school
- New England College Of Optometry, 2017
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 1850 N Riverside Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Bozena Janczar, DCChiropractor1811067945
Verify Nauz Hassanshahi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT33841-TLGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average optometrist in 2024
38 Medicare Part D claims for 25 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $148.89
2 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Clinicas Del Camino Real IncOxnard, CA
- Golden Valley Health CentersMerced, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nauz Hassanshahi among 8,308 optometrist records in California
Nauz Hassanshahi, OD is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 76% of them.
- NPI issued2017 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2017 · median 2008 among the 3,573 with a school on file
- Record last updated2024 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in California
There are 8,308 optometrist records in California.
All 8,308 in California → Every provider in Rialto → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Gary Freestone, ODRialto, CA 923761336214998
- Shine Kikawa, O.D.Rialto, CA 923761568736890
- Andrew Ngo, O.D.Rialto, CA 923761033542071
- Kimberly Peterson, O.D.Rialto, CA 923761922141175
- Susan Sawyer, O.D.Rialto, CA 923761518073709
- Phuong To, O.D.Rialto, CA 923761215070461
- Dennis Wong, O.D.Rialto, CA 923761245438365
- Dixon Wong, O.D.Rialto, CA 923761811196967
Common questions
What is Nauz Hassanshahi, OD's NPI number?
Nauz Hassanshahi, OD's National Provider Identifier (NPI) is 1497266357, issued on Oct 18, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Nauz Hassanshahi, OD located?
The NPPES record lists a practice address at 1850 N Riverside Ave, Rialto, CA, 92376. Phone: (909) 875-1144. Providers update this record themselves, so call before visiting.
How can I verify Nauz Hassanshahi, OD's license?
NPPES lists California license number OPT33841-TLG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Nauz Hassanshahi, OD prescribe under Medicare Part D?
In 2024, Nauz Hassanshahi, OD had 38 Medicare Part D claims for 25 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.